Silk4NET Essentials (Free)
Silk4NET is the Silk Test plug-in for Microsoft Visual Studio and enables you to create functional tests, regression tests, and localization tests using the programming languages VB .NET and C#.
Silk4NET supports the testing of a broad set of application technologies. Designed for realizing automation benefits even when applied to complex tests, Silk4NET brings true test automation capability directly to the developer’s preferred environment and lets you easily cope with changes made in the test application.